noun. 1. with regard to biology, the condition of possessing many physical or behavioral kinds within a species or populace. 2. with regard to genetics, the existence in a populace of at least two variants of a gene.

POLYMORPHISM: "It would appear that polymorphism took place sometime while the child was inutero."
Cite this page: N., Pam M.S., "POLYMORPHISM," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/polymorphism/ (accessed February 25, 2021).